Here is the full list of all 50 Monster Hunter: World trophies - there are 36 bronze, 11 silver, 2 gold and 1 platinum.
Hunt 50 tempered monsters.
Reach hunter rank 100.
Complete 50 arena quests.
Slay 50 elder dragons.
Obtain five highly rare weapons.
Capture a fish known as "the living fossil."
Capture a stiff, bristly creature.
Capture a fluffy, snuggly creature.
Hunt 500 large monsters.
Obtain a gold crown for 10 or more monsters that appear from low or high rank.
Obtain a miniature crown for 10 or more monsters that appear from low or high rank.
Possess 1,000,000 zenny.
Collect over 50 Guild Cards.
Complete 100 quests via multiplayer.
Respond to an SOS flare, and help complete 10 quests.
Capture 50 monsters.
Complete 50 investigations.
Obtain 100,000 research points.
Hunt your first tempered monster.
Capture a creature that glitters like a rainbow.
Solve the mystery of the Elder Crossing.
Record your first miniature crown for monsters that appear from low or high rank.
Obtain five highly rare pieces of armor.
Hunt 100 large monsters.
Complete 50 optional quests.
Earn the right to take on eight-star assignments.
Earn the right to take on seven-star assignments.
Successfully guide Zorah Magdaros.
Fire an SOS flare for the first time.
Earn the right to take on five-star assignments.
Raise the proficiency of any Palico Gadget to level 10.
Move into an upgraded room.
Establish five camps.
Earn the right to take on four-star assignments.
Capture your first monster.
Record your first silver crown or higher for monsters that appear from low or high rank.
Complete your first arena quest.
Complete your first investigation.
Earn the right to take on three-star assignments.
Befriend your first Tailraider.
Catch your first fish.
Complete a quest via multiplayer.
Earn the right to take on two-star assignments.
Mount your first monster.
Cook your first well-done steak.
Escape the Jagras pack by hiding in some shrubs.
Unlock all trophies for Monster Hunter: World.
Max out the research level (up to high rank) for many monsters.
Obtain a miniature crown for many monsters in your hunting log.
Obtain a gold crown for many monsters in your hunting log.